Dilation and Similarity Transformation

If two figures are similar, the corresponding sides are ______________.

• equal

• congruent

• proportional

• none of these

• BC

• AC

• MD

• MC

The pair of figures is similar. Find the missing side.

• x = 9

• x = 28

• x = 7

• x = 63

To measure the distance across a pond, a surveyor locates points A, B, C, D, and E as shown.  Find the length of AB to the nearest meter.

• 10

• 12

• 15

• 18

Complete the following transformation if Triangle ABC is transformed to make similar Triangle DEF. Translate A to D. Rotate around Point D until D, E, and _____ are co-linear. Dilate by ______ with center D.

• Point B, Scale Factor EF/BC

• Point B, Scale Factor BC/EF

• Point C, Scale Factor EF/BC

• Point C, Scale Factor BC/EF

How do these triangles appear to be similar?
(Hint: Look for non-labeled parts!)

• AA

• SAS

• SSS

• Not Similar

Determine whether the triangles are similar.

• SSS~

• AA~

• SAS~

• not similar

Given that ΔAFG ~ ΔDRH, complete the following:

• AF

• AG

• FG

• FH

Pentagon ABCDE is similar to Pentagon RYMNT. Which of the following is correct.

• ∠C ≅ ∠M

• ∠T ≅ ∠E

• ∠Y ≅ ∠B

• ∠A ≅ ∠M

• ∠C ≅ ∠R

Pentagon ABCDE is similar to Pentagon RYMNT. Which of the following is/are correct (choose all that apply).

• NT/DE = RT/AE

• AB/RY = NM/DC

• AB/RY = ED/MT

• AB/BC=RY/YM